23-30
Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7
OL-8978-04
Chapter 23 Configuring Redundancy
MSFC Redundancy
This example shows how to configure an interface as part of HSRP group 100:
Router# configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)# interface vlan100
Router(config-if)# standby 100 ip 172.20.100.10
Router(config-if)# standby 100 priority 110
Router(config-if)# standby 100 preempt
Router(config-if)# standby 100 timers 5 15
Router(config-if)# standby 100 authentication Secret
Router(config-if)# ^Z
Router#
Configuration Examples
This section describes three configuration options for achieving redundancy:
• Example 1: Two Chassis with One Supervisor Engine and One MSFC Each, page 23-30
• Example 2: Single Chassis with Dual Supervisor Engines and MSFCs, page 23-31
• Example 3: Double Chassis with Dual Supervisor Engines and MSFCs, page 23-33
For the following examples, the designated MSFC is on the active supervisor engine. To determine the
status of the designated MSFC, enter the show fm features or the show redundancy command. This
example shows that Router-16 is the designated MSFC:
Router-15# show redundancy
Designated Router: 1 Non-designated Router:2
Redundancy Status: non-designated
Config Sync AdminStatus : enabled
Config Sync RuntimeStatus: enabled
Router-16# show redundancy
Designated Router: 1 Non-designated Router:2
Redundancy Status: designated
Config Sync AdminStatus : enabled
Config sync RuntimeStatus: enabled
Example 1: Two Chassis with One Supervisor Engine and One MSFC Each
In Figure 23-5, high availability cannot be configured on the supervisor engines, but HSRP can be
configured on the MSFCs.
Figure 23-5 Two Chassis with One Supervisor Engine and One MSFC Each
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